Science - Energy

Question 1

refers to the physical or mental effort exerted in order to accomplish a particular task or goal.

Answer 1

Work

Question 2

is a device used to measure temperature.

Answer 2

Thermometer

Question 3

refers to the internal energy of an object or substance that is due to the motion and vibration of its particles.

Answer 3

Thermal energy

Question 4

To think deeply or ponder upon past actions, thoughts, or experiences, often resulting in insights or self-awareness.

Answer 4

Reflect

Question 5

refers to a sustainable and environmentally friendly resource or energy source that can be naturally replenished and does not deplete over time.

Answer 5

Renewable

Question 6

refers to the emission or transmission of energy in the form of particles or electromagnetic waves.

Answer 6

Radiation

Question 7

is a facility that generates electricity by converting various types of energy sources into electrical energy.

Answer 7

A power station

Question 8

refers to resources that cannot be replaced or replenished in a short period of time, such as fossil fuels.

Answer 8

Non-renewable

Question 9

a simple machine consisting of a rigid bar that pivots on a fixed point, called a fulcrum, and is used to lift or move heavy objects with less effort.

Answer 9

A lever

Question 10

states that energy cannot be created or destroyed, only transferred or transformed from one form to another.

Answer 10

The law of conservation of energy

Question 11

is the energy possessed by an object due to its motion.

Answer 11

Kinetic energy

Question 12

a unit of power equal to 1000 watts, commonly used to measure the rate at which electricity is consumed or produced.

Answer 12

A kilowatt (kW)

Question 13

is the unit of energy in the International System of Units (SI).

Answer 13

Joule

Question 14

is a material that restricts or prevents the flow of electricity, heat, sound, or other forms of energy.

Answer 14

An insulator

Question 15

refers to the type of electromagnetic radiation that is situated between visible light and microwaves in the electromagnetic spectrum, characterized by longer wavelengths and lower frequencies.

Answer 15

Infrared radiation

Question 16

a gas that traps heat in the Earth’s atmosphere, contributing to the greenhouse effect and global warming.

Answer 16

Greenhouse gas

Question 17

refers to a set of mechanical components designed to transmit motion and power between rotating shafts, often used to increase or decrease speed or torque.

Answer 17

Gear

Question 18

refers to hydrocarbon-based natural resources derived from the remains of ancient plants and animals, such as coal, crude oil, and natural gas, which are typically used as a source of energy.

Answer 18

Fossil fuel

Question 19

refers to a state of balance or stability in a system where opposing forces or factors are equal.

Answer 19

Equilibrium

Question 20

refers to the movement of fluids or gases due to the transfer of heat energy, resulting in the circulation or flow of the fluid.

Answer 20

Convective current

Question 21

is the process of heat transfer through the movement of a fluid, such as gas or liquid, resulting in the transfer of heat from one region to another.

Answer 21

Convection

Question 22

refers to the transfer of heat or electricity through a material or medium, typically through direct contact or particle collisions.

Answer 22

Conduction

Question 23

is a facility used for the proper storage and handling of chemical substances, ensuring their safety and preventing potential hazards.

Answer 23

A chemical store

Question 24

To take in or soak up a substance, energy, or information.

Answer 24

Absorb